// ==UserScript==
// @name        Majorgeeks gallery view
// @namespace   Violentmonkey Scripts
// @match       *://www.majorgeeks.com/*
// @grant       unsafeWindow
// @grant       GM_addStyle
// @grant       GM_openInTab
// @grant       GM_download
// @grant       GM_info
// @grant       GM_notification'
// @grant        GM_xmlhttpRequest
// @grant        GM_setValue
// @grant        GM_getValue
// @license MIT
// @connect      self
// @run-at       document-idle
// @inject-into  document-auto
// @icon         https://www.google.com/s2/favicons?sz=64&domain=www.majorgeeks.com
// @resource     Icon https://www.google.com/s2/favicons?sz=64&domain=www.majorgeeks.com
// @noframes     false
// @version     1.0.1
// @author      Wizzergod
// @description Replace arrow images with actual thumbnails from the linked pages, and render in grid gallery links view
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';

    // Add custom styles for the images and layout
    GM_addStyle(`
        .geekytitle img.replacement {
            width: 190px;
            height: 190px;
            margin: 5px;
            transition: background 1.3s, transform 0.4s, box-shadow 0.3s;
            box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.5);
            cursor: pointer;
            z-index: 10000;
            border-radius: 6px;
        }
        .geekytitle img.replacement:hover {
            transform: scale(2.2);
            box-shadow: 0px 0px 20px rgba(0, 0, 0, 0.7);
            width: scale(2.2);
            height: scale(2.2);
            position: absolute;
            z-index: 100000;
        }
        .geekyinsidecontent {
            display: none;
        }
        .mainpage .geekycontent, .altmainpage .geekycontent {
            display: flex;
            flex-direction: row;
            flex-wrap: wrap;
            align-content: stretch;
            justify-content: space-evenly;
            align-items: stretch;
        }
        .geekytitle-container {
            display: flex;
            flex-direction: row;
            flex-wrap: wrap;
            align-content: stretch;
            justify-content: space-evenly;
            align-items: stretch;
        }
        .geekytitle {
            flex: 1 1 200px; /* Flex-grow, flex-shrink, flex-basis */
            box-sizing: border-box;
            margin: 0px;
            padding: 0px;
            border: 0px solid #ccc;
            background-color: #f9f9f9;
        }
    `);

    // Function to fetch the image URL from the detail page
    function fetchImageUrl(detailPageUrl, callback) {
        GM_xmlhttpRequest({
            method: 'GET',
            url: detailPageUrl,
            onload: function(response) {
                const parser = new DOMParser();
                const doc = parser.parseFromString(response.responseText, 'text/html');
                const galleryDiv = doc.querySelector('div#gallery');
                if (galleryDiv) {
                    const img = galleryDiv.querySelector('img');
                    if (img) {
                        const imgUrl = img.src.replace(/&/g, '&');
                        callback(imgUrl);
                    } else {
                        callback(null);
                    }
                } else {
                    callback(null);
                }
            }
        });
    }

    // Function to process geeky titles
    function processGeekyTitles() {
        const geekyTitles = document.querySelectorAll('.geekytitle');
        let pendingRequests = 0;

        geekyTitles.forEach((geekyTitle) => {
            const link = geekyTitle.querySelector('a[href^="files/details/"]');
            if (link) {
                const detailPageUrl = link.href;
                pendingRequests++;

                // Fetch the image URL from the detail page
                fetchImageUrl(detailPageUrl, (imgUrl) => {
                    if (imgUrl) {
                        const img = geekyTitle.querySelector('img');
                        if (img) {
                            img.src = imgUrl;
                            img.classList.add('replacement');

                            // Change the data-src attribute on hover
                            img.dataset.srcHover = imgUrl.replace('action=thumb', 'action=file');

                            // Add event listener for hover effect
                            img.addEventListener('mouseenter', function() {
                                this.src = this.dataset.srcHover;
                            });
                            img.addEventListener('mouseleave', function() {
                                this.src = imgUrl;
                            });

                            // Remove all children of geekyTitle
                            while (geekyTitle.firstChild) {
                                geekyTitle.removeChild(geekyTitle.firstChild);
                            }

                            // Append the new structure
                            const newLink = document.createElement('a');
                            newLink.href = detailPageUrl;
                            newLink.appendChild(img);
                            geekyTitle.appendChild(newLink);

                            // Append the original text content back to the geekyTitle
                            const originalText = link.textContent;
                            const textNode = document.createTextNode(originalText);
                            geekyTitle.appendChild(textNode);
                        }
                    }
                    pendingRequests--;

                    // If all requests are done, check if we need to reprocess
                    if (pendingRequests === 0) {
                        setTimeout(() => {
                            const remainingTitles = Array.from(geekyTitles).filter(title => title.querySelector('img').src.includes('arrowd.gif'));
                            if (remainingTitles.length > 0) {
                                processGeekyTitles();
                            }
                        }, 300); // Wait a bit before retrying
                    }
                });
            }
        });
    }

    // Initial processing of geeky titles
    processGeekyTitles();
})();